Home / 85,546.17-128,229.03-35,575.97

Finding the Fourth Proportional to 85,546.17, 128,229.03 and 35,575.97

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Solution

The fourth proportional to 85,546.17, 128,229.03 and 35,575.97 is: 53,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,546.17 : 128,229.03 = 35,575.97 : x
  2. Step 2: Convert to fraction form
    85,546.17/128,229.03 = 35,575.97/x
  3. Step 3: Cross multiply
    85,546.17x = 128,229.03 × 35,575.97
  4. Step 4: Simplify right side
    85,546.17x = 4,561,871,483.26
  5. Step 5: Solve for x
    x = 4,561,871,483.26/85,546.17
  6. Step 6: Final answer
    x = 53,326.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.